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Written by Administrator   
Monday, 15 July 2013
http://www.pogonina.com/images//nigtom.jpg
Nigalidze (2497) - Tomczak (2564), 2013
White to move


Black has just desperately sacrificed a rook on f4. Tip: White has a winning position. However, in the game a drawing move was played, and eventually White has even lost. What is the best continuation?

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Comments (6)
1. Written by This e-mail address is being protected from spam bots, you need JavaScript enabled to view it on 09:49 16 2013 .
 
 
Amateur
This is really a tough nut to crack, therefore I am not sure whether the following lines are accurate:  
(A) 1.e6+ Rf7 2.Bc8?! Qb2+ 3.Kd2 Bc3+ 4.Ke2 Qxc2+ 5.Rd2 QxR+ 6.QxQ BxQ 7.e8=Q+ Rf8 8.Qe7 h5 9.Be6+ Kh8 10.QxN c3 11.Qg5 etc. 
(B) 1.e6+ Rf7 2.Bc8 RxB 3.Qd8+ RxQ 4.exR=Q+ QxQ 5.RxQ+ Bf8 6.f3 White stands better.
 
2. Written by O_o on 12:31 16 2013 .
 
 
Amateur
... if it was my game: 
 
Black has Qxb2+ or Bgxb2+,so White's 1st move should probably be a check...  
IF 
1. e7+ , Rf7 
 
THEN 
2. e8=R+(promoted to rook, LoL) , Rxe8. 
(i was planning for white's Qxf7+) 
3. Bxe8 , Qxb2+ 
4. Kd2 , Qc3+ 
5. Ke2 , ...  
...i cant think of a good move for black except Qxc2+,then White's d-Rook can defend it...after that, lets hope black will make a mistake. (common sense Lol) 
 
ELSE 
2. e7+ , Kh8 
3. e8=R(promoted to rook again! :P ) , rxe8 
4. Now I need to save myself from Qxb+! and Rf7xf2... Probably Rxh7+ because you said white has a winning move...and after KxR, Rh1+ doesnt look bad(why? i dont know)...i cant think of the best move for white after Bh6, but these things(sacrificing R to get Rh1+) are always right in puzzle books. right? 
 
..so whats the answer?! *asking desperately* 
O_O
 
3. Written by This e-mail address is being protected from spam bots, you need JavaScript enabled to view it on 13:42 16 2013 .
 
 
Amateur
1.e6+ Rf7 2.b3 (Better than 2.Bc8) NxB 4.QxN Qxf6 5.Qd8+ RxQ 6.RxR Rf8 (If 6. ... Bf8 then 7.e8=Q) 7.RxR+ BxR 8.e8=Q winning.
 
4. Written by This e-mail address is being protected from spam bots, you need JavaScript enabled to view it on 15:59 16 2013 .
 
 
Amateur
My previous analysis carries a blunder. 
1.e6+ Rf7 2.b3 NxB 4.QxN Qxf6 5.Qd8+ RxQ 6.RxR Rf8 7.RxR+ BxR 8.e8=Q winning. (Sorry, not winning but losing. I overlooked 8. ... Qa1+! winning White Rook on h1.)
 
5. Written by This e-mail address is being protected from spam bots, you need JavaScript enabled to view it on 23:46 16 2013 .
 
 
Amateur
My final analysis (forgetting my previous lemons) to crack the nut:  
(A) 1.e7+ Kh8 2.e8=Q+ RxQ 3.Rxh7+! KxR 4.Rh1+ Bh6 5.Qg5 NxB 6.QxB+ Kg8 7.Qh8+ Kf7 8.Rh7+ Ke6 9.QxR+ Kf6 10.Rf7+ Kg5 11.fxR+ Kg4 12.QxN+ Kh5 13.Rh7+ mate. 
(B) 1.e7+ Rf7 2.e8=Q+ RxQ 3.BxR Qxb2+ 4.Kd2 Bc3+ 5.Ke2 Qxc2+ 6.Rd2 QxR+ 7.QxQ BxQ 8.BxR+ KxR 9.KxB Ne4+ 10.Kc2 h5 11.f3 winning.
 
6. Written by O_x on 05:59 17 2013 .
 
 
Amateur
i cant think of the best move for white after Bh6,... 
Ahaaa!!! i take that back. :x  
Qg5 after Black's Bh6 solves the problem. It should be easy for white after that esp for 2400+ players. 
Actually, Black's Kh8 was a bad idea. I was just thinking if the Rxh7+ was safe or not. 
:x
 

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